Add Visual Studio Code Dev Container (#107)

.devcontainer/Dockerfile

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+FROM almalinux:9
+
+SHELL ["/bin/bash", "-c"]
+
+# classpath settings
+ENV CLASSPATH :/usr/lib/opensourcecobol4j/libcobj.jar:/usr/lib/Open-COBOL-ESQL-4j/ocesql4j.jar:/usr/lib/Open-COBOL-ESQL-4j/postgresql.jar
+RUN echo 'export CLASSPATH=:/usr/lib/opensourcecobol4j/libcobj.jar:/usr/lib/Open-COBOL-ESQL-4j/postgresql.jar:/usr/lib/Open-COBOL-ESQL-4j/ocesql4j.jar' >> ~/.bashrc
+
+# install dependencies
+RUN dnf update -y
+RUN dnf install -y epel-release
+RUN dnf install -y gcc make bison flex automake autoconf diffutils gettext java-21-openjdk-devel git-clang-format cppcheck libtool gettext-devel
+
+# install sbt
+RUN curl -fL https://github.com/coursier/coursier/releases/latest/download/cs-x86_64-pc-linux.gz | gzip -d > cs && chmod +x cs && echo Y | ./cs setup

.devcontainer/boot.sh

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+#!/bin/bash
+
+# Install opensource COBOL 4J
+cd opensourcecobol4j/
+./configure --prefix=/usr/
+make
+make install
+cd ../
+
+# Install Open COBOL ESQL 4J
+cp /usr/lib/opensourcecobol4j/libcobj.jar dblibj/lib/
+cp /usr/lib/opensourcecobol4j/libcobj.jar dblibj/lib/
+mkdir -p /usr/lib/Open-COBOL-ESQL-4j
+curl -L -o /usr/lib/Open-COBOL-ESQL-4j/postgresql.jar https://jdbc.postgresql.org/download/postgresql-42.2.24.jar
+cp /usr/lib/Open-COBOL-ESQL-4j/postgresql.jar dblibj/lib/
+./configure --prefix=/usr/
+make
+make install
+
+# Set up git config
+git config --global --add safe.directory /workspaces/Open-COBOL-ESQL-4j
+
+# Set up pre-commit hook
+cp .devcontainer/term_settings/pre-commit .git/hooks/pre-commit
+
+# Set up ~/.bashrc
+cat .devcontainer/term_settings/extra_bashrc.sh >> ~/.bashrc

.devcontainer/devcontainer.json

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+{
+    "name": "Open COBOL ESQL 4J development",
+    "dockerComposeFile": "docker-compose.yml",
+    "service": "oc4j_client",
+    "workspaceFolder": "/workspaces/Open-COBOL-ESQL-4j",
+    "postCreateCommand": ".devcontainer/boot.sh"
+}

.devcontainer/docker-compose.yml

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+version: '3'
+
+services:
+  oc4j_db:
+    image: postgres:13
+    container_name: oc4j_db
+    environment:
+      - POSTGRES_USER=main_user
+      - POSTGRES_PASSWORD=password
+      - POSTGRES_DB=testdb
+    ports:
+      - "5432:5432"
+
+  oc4j_client:
+    image: oc4j_client
+    container_name: oc4j_client
+    build:
+      context: .
+      dockerfile: Dockerfile
+    stdin_open: true
+    volumes:
+      - ../..:/workspaces:cached
+    tty: true
+    depends_on:
+      oc4j_db:
+        condition: service_started
+    logging:
+      driver: none

.devcontainer/term_settings/extra_bashrc.sh

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+alias ls='ls --color=auto'
+alias ll='ls -l'
+alias la='ls -a'
+
+alias g='git'
+
+parse_git_branch() {
+     git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
+}
+
+export PS1="\e[0;32m[\w\[\033[33m\]\$(parse_git_branch)\[\033[00m\]\e[0;32m]\033[00m "

.devcontainer/term_settings/pre-commit

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+#!/bin/bash
+
+./format
+git add -u