Docker mix and match setup

Rewrite of the docker setup. Now uses fig to manage containers and container
linkage. The base is a block based mix and match, which will give you the
possibility to easily test all configurations.

docker/README.md

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+Docker
+======
+
+TOOLS ARE WRITTEN FOR TESTING AND TO SEE WHAT IT IS!
+
+For this to work you will need the nifty docker tool [fig].
+
+The most simple setup will look like this:
+
+```sh
+./assemble_blocks.sh docker_gogs_w_db docker_database_mysql
+fig up
+
+```
+
+That's it. You have GoGS running in docker linked to a MySQL docker container.
+
+Now visit http://localhost:3000/ and give details for the admin account an you're up and running.
+
+
+How does it work
+----------------
+
+`./assemble_blocks.sh` will look in `blocks` for subdirectories.
+In the subdirectories there are to relevant files: `Dockerfile`, `config` and `fig`.
+
+`Dockerfile` will be copied to `docker/` (also means last `Dockerfile` wins).
+
+The `config` file contains lines which will in the gogs docker container end up in `$GOGS_PATH/custom/config/app.ini` and by this gogs will be configured.
+Here you can define things like the MySQL server for your database block.
+
+The `fig` file will just be added to `fig.yml`, which is used by fig to manage your containers.
+This inculdes container linking!
+
+Just have a look at them and it will be clear how to write your own blocks.
+
+Just some things
+
+    - all files (`Dockerfile`, `fig` and `config`) are optional
+    - the gogs block should always be the first block
+
+
+More sophisticated Example
+--------------------------
+
+Her is a more elaborated example
+
+```sh
+./assemble_blocks.sh docker_gogs_w_db_cache_session docker_database_postgresql docker_cache_redis docker_session_mysql
+fig up
+```
+
+This will set up four containters. One for each of
+
+    - gogs
+    - database (postgresql)
+    - cache (redis)
+    - session (mysql)
+
+WARNING: This will not work at the Moment! MySQL session is broken!
+
+
+Remark
+------
+
+After you change something you should always trigger `fig build` to inculde the the new init script `init_gogs.sh` in the docker image.
+
+If you want to use another GoGS docker file, but keep everything else the same, you can create a block, e.g. `docker_gogs_dev`, with only a `Dockerfile` and call
+
+```sh
+./assemble_blocks.sh docker_gogs_w_db docker_gogs_dev docker_database_mysql
+```
+
+This will override the `Dockerfile` from `docker_gogs_w_db` with the one from `docker_gogs_dev`
+
+
+[fig]:http://www.fig.sh/

docker/assemble_blocks.sh

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+#!/bin/bash
+
+blocks_dir=blocks
+docker_dir=docker
+template_dir=templates
+
+docker_file=Dockerfile
+
+gogs_config_file=conf.tmp
+gogs_config=config
+gogs_init_file=$docker_dir/init_gogs.sh
+
+fig_file=fig.yml
+fig_config=fig
+
+gogs_init_template=$template_dir/init_gogs.sh.tpl
+
+if [ "$#" == 0 ]; then
+    blocks=`ls $blocks_dir`
+    if [ -z "$blocks" ]; then
+        echo "No Blocks available in $blocks_dir"
+    else
+        echo "Available Blocks:"
+        for block in $blocks; do
+            echo "    $block"
+        done
+    fi
+    exit 0
+fi
+
+for file in $gogs_config_file $fig_file; do
+    if [ -e $file ]; then
+        echo "Deleting $file"
+        rm $file
+    fi
+done
+
+for dir in $@; do
+    current_dir=$blocks_dir/$dir
+    if [ ! -d "$current_dir" ]; then
+        echo "$current_dir is not a directory"
+        exit 1
+    fi
+
+    if [ -e $current_dir/$docker_file ]; then
+        echo "Copying $current_dir/$docker_file to $docker_dir/$docker_file"
+        cp $current_dir/$docker_file $docker_dir/$docker_file
+    fi
+
+    if [ -e $current_dir/$gogs_config ]; then
+        echo "Adding $current_dir/$gogs_config to $gogs_config_file"
+        cat $current_dir/$gogs_config >> $gogs_config_file
+        echo "" >> $gogs_config_file
+    fi
+
+    if [ -e $current_dir/$fig_config ]; then
+        echo "Adding $current_dir/$fig_config to $fig_file"
+        cat $current_dir/fig >> $fig_file
+        echo "" >> $fig_file
+    fi
+done
+
+echo "Creating $gogs_init_file"
+sed "/{{ CONFIG }}/{
+r $gogs_config_file
+d
+}" $gogs_init_template > $gogs_init_file
+
+echo "Removing temporary GoGS config"
+rm $gogs_config_file

docker/blocks/docker_cache_memcache/config

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+[cache]
+DB_TYPE = memcache
+HOST = HOST = ${CACHE_1_PORT_11211_TCP_ADDR}:${CACHE_1_PORT_11211_TCP_PORT}

docker/blocks/docker_cache_memcache/fig

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+cache:
+    image: sylvainlasnier/memcached:latest

docker/blocks/docker_cache_redis/config

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+[cache]
+DB_TYPE = redis
+HOST = ${CACHE_1_PORT_6379_TCP_ADDR}:${CACHE_1_PORT_6379_TCP_PORT}

docker/blocks/docker_cache_redis/fig

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+cache:
+    image: redis:latest

docker/blocks/docker_database_mysql/config

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+[database]
+DB_TYPE = mysql
+HOST = ${DB_1_PORT_3306_TCP_ADDR}:${DB_1_PORT_3306_TCP_PORT}
+NAME = ${DB_1_ENV_MYSQL_DATABASE}
+USER = ${DB_1_ENV_MYSQL_USER}
+PASSWD = ${DB_1_ENV_MYSQL_PASSWORD}

docker/blocks/docker_database_mysql/fig

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+db:
+  image: mysql:latest
+  environment:
+    MYSQL_ROOT_PASSWORD: rootpass
+    MYSQL_DATABASE: gogs
+    MYSQL_USER: gogs
+    MYSQL_PASSWORD: password

docker/blocks/docker_database_postgresql/config

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+[database]
+DB_TYPE = postgres
+HOST = ${DB_1_PORT_5432_TCP_ADDR}:${DB_1_PORT_5432_TCP_PORT}
+NAME = ${DB_1_ENV_POSTGRESQL_DB}
+USER = ${DB_1_ENV_POSTGRESQL_USER}
+PASSWD = ${DB_1_ENV_POSTGRESQL_PASS}

docker/blocks/docker_database_postgresql/fig

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+db:
+  image: wyaeld/postgres:9.3
+  environment:
+    POSTGRESQL_DB: gogs
+    POSTGRESQL_USER: gogs
+    POSTGRESQL_PASS: password

docker/blocks/docker_gogs/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs/fig

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+gogs:
+  build: docker
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_cache/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_cache/fig

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+gogs:
+  build: docker
+  links:
+    - cache
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_cache_session/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_cache_session/fig

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+gogs:
+  build: docker
+  links:
+    - cache
+    - session
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_db/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_db/fig

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+gogs:
+  build: docker
+  links:
+    - db
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_db_cache/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_db_cache/fig

@@ -0,0 +1,7 @@
+gogs:
+  build: docker
+  links:
+    - db
+    - cache
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_db_cache_session/Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_db_cache_session/fig

@@ -0,0 +1,8 @@
+gogs:
+  build: docker
+  links:
+    - db
+    - cache
+    - session
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_db_session/Dockerfile

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+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_db_session/fig

@@ -0,0 +1,7 @@
+gogs:
+  build: docker
+  links:
+    - db
+    - session
+  ports:
+    - "3000:3000"

docker/blocks/docker_gogs_w_session/Dockerfile

@@ -0,0 +1,25 @@
+FROM golang:latest
+
+RUN useradd -m git
+
+ENV GOGS_PATH $GOPATH/src/github.com/gogits/gogs
+ENV GOGS_CUSTOM_CONF_PATH $GOGS_PATH/custom/conf
+ENV GOGS_CUSTOM_CONF $GOGS_CUSTOM_CONF_PATH/app.ini
+
+RUN go get github.com/gogits/gogs
+# WORKDIR $GOGS_PATH
+WORKDIR /go/src/github.com/gogits/gogs
+RUN go build github.com/gogits/gogs
+RUN chown -R git $GOGS_PATH
+
+ADD init_gogs.sh /tmp/
+RUN chown git /tmp/init_gogs.sh
+RUN chmod +x /tmp/init_gogs.sh
+
+USER git
+ENV HOME /home/git
+ENV USER git
+ENV PATH $GOGS_PATH:$PATH
+
+ENTRYPOINT ["/tmp/init_gogs.sh"]
+CMD ["gogs", "web"]

docker/blocks/docker_gogs_w_session/fig

@@ -0,0 +1,6 @@
+gogs:
+  build: docker
+  links:
+    - session
+  ports:
+    - "3000:3000"

docker/blocks/docker_session_mysql/config

@@ -0,0 +1,3 @@
+[session]
+PROVIDER = mysql
+PROVIDER_CONFIG = ${SESSION_1_ENV_MYSQL_USER}:${SESSION_1_ENV_MYSQL_PASSWORD}@SESSION_1_PORT_3306_TCP_PROTO(${SESSION_1_PORT_3306_TCP_ADDR}:${SESSION_1_PORT_3306_TCP_PORT})/${SESSION_1_ENV_MYSQL_DATABASE}

docker/blocks/docker_session_mysql/fig

@@ -0,0 +1,7 @@
+session:
+  image: mysql:latest
+  environment:
+    MYSQL_ROOT_PASSWORD: rootpass
+    MYSQL_DATABASE: gogs_session
+    MYSQL_USER: gogs
+    MYSQL_PASSWORD: password

docker/templates/init_gogs.sh.tpl

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+if [ ! -d "$DIRECTORY" ]; then
+    mkdir -p $GOGS_CUSTOM_CONF_PATH
+
+    #~ Either "dev", "prod" or "test", default is "dev"
+echo "
+{{ CONFIG }}
+" >> $GOGS_CUSTOM_CONF
+    
+fi
+
+exec "$@"